Electron beam induced crystallization in Fe-doped SnO2 nanoparticles

被引:49
作者
Lu, B [1 ]
Wang, CS [1 ]
Zhang, YH [1 ]
机构
[1] UNIV SCI & TECHNOL CHINA,STRUCT RES LAB,HEFEI 230026,PEOPLES R CHINA
关键词
D O I
10.1063/1.118263
中图分类号
O59 [应用物理学];
学科分类号
摘要
Nanoscale particles of Fe-doped SnO2 were intensively radiated in a high-energy electron beam observed in situ in a transmission electron microscope. Generation of small crystalline grains from agglomerated nanoparticles was observed. Electron diffraction patterns confirmed that the grains belonged to the orthorhombic phase of SnO2, which forms only under pressures higher than 140 kbar according to previous research. A possible process for the phase transition is discussed. The result suggests a novel method of producing orthorhombic SnO2 at low pressure. (C) 1997 American Institute of Physics.
引用
收藏
页码:717 / 719
页数:3
相关论文
共 9 条
[1]  
BERRY FJ, 1982, ADV CATAL, V30, P97
[2]   OXYGEN DEFICIENT SNO2(110) AND TIO2(110) - A COMPARATIVE-STUDY BY PHOTOEMISSION [J].
EGDELL, RG ;
ERIKSEN, S ;
FLAVELL, WR .
SOLID STATE COMMUNICATIONS, 1986, 60 (10) :835-838
[3]  
GIUNTINI JC, 1990, J MATER SCI LETT, V9, P138
[4]   TIN OXIDE SURFACES .17. AN INFRARED AND THERMOGRAVIMETRIC ANALYSIS OF THE THERMAL DEHYDRATION OF TIN(IV) OXIDE GEL [J].
HARRISON, PG ;
GUEST, A .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS I, 1987, 83 :3383-3397
[5]  
HERLEY PJ, 1993, Z PHYS D ATOM MOL CL, V26, pS159
[6]   X-RAY-DIFFRACTION AND MOSSBAUER-SPECTRA OF THE SYSTEM FE2O3-SNO2 [J].
MUSIC, S ;
POPOVIC, S ;
METIKOSHUKOVIC, M ;
GVOZDIC, V .
JOURNAL OF MATERIALS SCIENCE LETTERS, 1991, 10 (04) :197-200
[7]   TEMPERATURE-DEPENDENCE OF RESISTIVITIES OF SNO2-BASED GAS SENSORS EXPOSED TO CO, H-2, AND C3H8 GASES [J].
NITTA, M ;
OHTANI, S ;
HARADOME, M .
JOURNAL OF ELECTRONIC MATERIALS, 1980, 9 (04) :727-743
[8]   HIGH-PRESSURE SYNTHESIS OF ORTHORHOMBIC SNO2 [J].
SUITO, K ;
KAWAI, N ;
MASUDA, Y .
MATERIALS RESEARCH BULLETIN, 1975, 10 (07) :677-680
[9]   GAMMA-RADIATION HYDROTHERMAL SYNTHESIS AND CHARACTERIZATION OF NANOCRYSTALLINE COPPER POWDERS [J].
ZHU, YG ;
QIAN, YT ;
ZHANG, MW ;
CHEN, ZY ;
LU, B ;
ZHOU, G .
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 1994, 23 (02) :116-119